The report features 2018 current and 2019 forecast estimates on the size of the industry (sales, establishments, employment) for the 61 largest world countries, such as Japan, China, India, Russia, Canada, Mexico, Brazil, Argentina, UK, France, Germany, Italy and U.S.. The report also includes industry definition, 5-year historical trends on industry sales, establishments and employment and estimates on up to 10 sub-industries, including mechanical contractors, boiler installers, sprinkler system installers, and septic system installers.